196777345 has 8 divisors (see below), whose sum is σ = 236652264. Its totient is φ = 157075584.

The previous prime is 196777337. The next prime is 196777381. The reversal of 196777345 is 543777691.

196777345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3873024 + 192904321 = 1968^2 + 13889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196777345 - 2³ = 196777337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40774 + ... + 45343.

It is an arithmetic number, because the mean of its divisors is an integer number (29581533).

Almost surely, 2^196777345 is an apocalyptic number.

It is an amenable number.

196777345 is a deficient number, since it is larger than the sum of its proper divisors (39874919).

196777345 is an equidigital number, since it uses as much as digits as its factorization.

196777345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86579.

The product of its digits is 1111320, while the sum is 49.

The square root of 196777345 is about 14027.7348492192. The cubic root of 196777345 is about 581.6454907366.

The spelling of 196777345 in words is "one hundred ninety-six million, seven hundred seventy-seven thousand, three hundred forty-five".